1022051142 has 64 divisors (see below), whose sum is σ = 2599027200. Its totient is φ = 291638880.

The previous prime is 1022051117. The next prime is 1022051171. The reversal of 1022051142 is 2411502201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441484 + ... + 443792.

It is an arithmetic number, because the mean of its divisors is an integer number (40609800).

Almost surely, 2^1022051142 is an apocalyptic number.

1022051142 is an abundant number, since it is smaller than the sum of its proper divisors (1576976058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022051142 is a wasteful number, since it uses less digits than its factorization.

1022051142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498 (or 3492 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1022051142 is about 31969.5345915451. The cubic root of 1022051142 is about 1007.2970048738.

Adding to 1022051142 its reverse (2411502201), we get a palindrome (3433553343).

The spelling of 1022051142 in words is "one billion, twenty-two million, fifty-one thousand, one hundred forty-two".